Re: [PATCH] soc: apple: rtkit: Add a private pointer to apple_rtkit_shmem
From: Eric Curtin <hidden>
Date: 2023-01-22 12:08:57
Also in:
asahi, lkml
On Sat, 21 Jan 2023 at 07:53, Asahi Lina [off-list ref] wrote:
This allows downstream consumers to keep track of private data for shmem mappings. In particular, the Rust abstraction will use this to safely drop data associated with a mapping when it is unmapped. Signed-off-by: Asahi Lina <redacted> ---
Signed-off-by: Eric Curtin <redacted>
quoted hunk ↗ jump to hunk
include/linux/soc/apple/rtkit.h | 2 ++ 1 file changed, 2 insertions(+)diff --git a/include/linux/soc/apple/rtkit.h b/include/linux/soc/apple/rtkit.h index 62bfa37b5adb..1a9888a1797a 100644 --- a/include/linux/soc/apple/rtkit.h +++ b/include/linux/soc/apple/rtkit.h@@ -22,6 +22,7 @@ * @size: Size of the shared memory buffer. * @iova: Device VA of shared memory buffer. * @is_mapped: Shared memory buffer is managed by the co-processor. + * @private: Private data pointer for the parent driver. */ struct apple_rtkit_shmem {@@ -30,6 +31,7 @@ struct apple_rtkit_shmem { size_t size; dma_addr_t iova; bool is_mapped; + void *private; }; /* --2.35.1
_______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel